private void Box_PasswordChanged(object sender, RoutedEventArgs e)
{
PasswordBox box = sender as PasswordBox;
box.SetValue(UpdatingProperty.ValueProperty, true);
box.SetValue(BoundPasswordProperty.ValueProperty, box.Password);
box.SetValue(UpdatingProperty.ValueProperty, false);
HasPasswordProperty.SetValue(box);
}
public override void OnValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
PasswordBox box = sender as PasswordBox;
if (box == null)
{
return;
}
if ((bool)e.OldValue)
{
box.PasswordChanged -= Box_PasswordChanged;
}
if ((bool)e.NewValue)
{
box.PasswordChanged += Box_PasswordChanged;
HasPasswordProperty.SetValue(box);
}
}